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Leviafan [203]
3 years ago
6

Solve the system of linear equations by substitution. −2x−5y=3 3x+8y=−6

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0

Answer:

x=6 y=-3

Step-by-step explanation:

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A hypothetical square grows so that the length of its diagonals are increasing at a rate of 8m/min. How fast is the area of the
ad-work [718]

Answer: The area of the square is increasing at a rate of 90.4 m2/min (square meters/minute)

Step-by-step explanation: Please see the attachments below

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3 years ago
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Which statement best describes how to determine whether f(x) = 9- 4x4 is an odd function?
vitfil [10]

Answer:

Option C.

Step-by-step explanation:

Note: In the given function the power of x should be 2 instead of 4, otherwise all options are incorrect.

Consider the given function is

f(x)=9-4x^2

If f(-x)=f(x), then f(x) is an even function.

If f(-x)=-f(x), then f(x) is an odd function.

Now, substitute x=-x in the given function.

f(-x)=9-4(-x)^2

f(-x)=9-4(x)^2

f(-x)=f(x)

So, the given function not an odd function. It means it is an even function.

To check whether the given function is odd, we have to determine whether 9-4(-x)^2 is equivalent to -(9-4(x)^2).

Therefore, the correct option is C.

6 0
3 years ago
What is 60/42 in simplest form
ValentinkaMS [17]
10
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8 is the simplest form from that I could find.
4 0
3 years ago
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PLZ PLZ WITH EXPLANATION
Vadim26 [7]

Answer:

For the first 2 pages, you will want to count how many sides and angles for the stated figure above. Then you want to figure out what other figures that are related to the figure stated above. i.e. a square is a rectangle but not all rectangles are squares. On the last page you want to figure out what is the figure's name and other names that are related/same on the figure's original name. And lastly for part II you want to do the same thing for page 1 and 2, but instead you want to compare and contrast the 2 figures stated above. i.e. Parallelograms and Trapezoids.

Step-by-step explanation:

Hope this helps! :)

8 0
3 years ago
A number b times -16<br> is greater than 5
lord [1]

Write the Inequality

A number b times -16 is greater than 5.

A number b is a variable... b.

Times means multiply.

-16 is what you are multiplying b by.

Is greater than means the greater than symbol.

5 is what the past statements are greater than.

So this is the inequality.

-16b > 5

Solve the Inequality

You need to isolate b.

To do this, divide each side by -16. You do this because b is being multiplied by -16. You know that any number divided by that number equals 1, canceling the number.

-16b ÷ -16 = b

5 ÷ -16 = -5/16

So you get b > -5/16

So to make the inequality true, b must be more than -5/16.

Or as an inequality...

b > -5/16

8 0
3 years ago
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